It was made cheaper than the original I found and was a replacement and as a spare The hose is not 12" and is too short and thin compared to the original hose. In addition, the threads have to be exactly aligned, and the adapter is manufactured with a smaller diameter, which saves on quality. It works, but its hose is cheaper, thinner, and so softens when the oil is a little warm. Are you sure it is an original Valvomax flush valve?